CN216803529U

CN216803529U - Cutter is sheared to removable formula of blade

Info

Publication number: CN216803529U
Application number: CN202220574231.3U
Authority: CN
Inventors: 张罗达
Original assignee: Ningbo Libao Tools Co ltd
Current assignee: Ningbo Libao Tools Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-06-24
Anticipated expiration: 2032-03-16

Abstract

The utility model provides a blade-replaceable shearing knife which comprises a first handle and a second handle which are mutually hinged, wherein a movable blade is arranged on the first handle through a quick-release structure, the quick-release structure comprises a slot arranged at the end part of the first handle, and the end part of the movable blade is provided with an inserting part matched with the slot; the inserting part is provided with a positioning groove, the first handle is detachably provided with a limiting piece, and one end of the limiting piece extends into the positioning groove to lock the movable blade with the first handle; the first handle and the second handle are hinged through a hinge shaft, the hinge shaft penetrates through the slot, a hinge groove matched with the hinge shaft is formed in the inserting part, and an opening is formed in one end of the hinge groove to facilitate the entrance of the hinge shaft; the shearing knife with the replaceable blade provided by the utility model is provided with the quick-dismantling structure, can realize quick dismantling of the blade, and is simple and convenient to dismantle and install, time-saving and labor-saving.

Description

Cutter is sheared to removable formula of blade

Technical Field

The utility model relates to the field of shearing knives, in particular to a shearing knife with a replaceable blade.

Background

A cutting knife is a tool for cutting an article, and an existing cutting knife generally includes two handles, a blade is fixed to one handle, and the two handles are closed when cutting, so that the blade cuts the article.

The blades in the shearing knife are fragile products, and after the shearing knife is used for a period of time, the blades are worn and damaged, and the blades need to be replaced regularly. The blade of the existing shearing knife is inconvenient to replace, the blade is fixedly connected with the handle, and after the blade is damaged, the blade needs to be integrally disassembled and assembled when replaced, so that time and labor are wasted, and the blade is inconvenient to replace.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a cutting knife with a replaceable blade, which overcomes the defect of inconvenient replacement of the blade of the existing cutting knife.

(II) technical scheme

In order to solve the technical problem, the utility model provides a blade-replaceable shearing knife which comprises a first handle and a second handle which are hinged with each other, wherein a movable blade is arranged on the first handle through a quick-release structure, the quick-release structure comprises a slot arranged at the end part of the first handle, and the end part of the movable blade is provided with an inserting part matched with the slot; the inserting portion is provided with a positioning groove, the first handle is detachably provided with a limiting part, and one end of the limiting part extends into the positioning groove to enable the movable blade to be locked with the first handle. This shearing knife is provided with rapid disassembly structure, can realize the quick assembly disassembly of blade, and the dismouting is simple and convenient, labour saving and time saving.

Furthermore, the first handle and the second handle are hinged through a hinge shaft, the hinge shaft penetrates through the slot, a hinge groove matched with the hinge shaft is formed in the insertion part, and an opening is formed in one end of the hinge groove to facilitate the hinge shaft to enter.

Furthermore, a first protrusion is arranged on the inner wall of the slot, and a first clamping groove matched with the first protrusion is arranged on the insertion part. The movable blade is provided with a second bulge at a position close to the first clamping groove, and a second clamping groove matched with the second bulge is formed in the inner wall of the slot. This structure can carry on spacingly to the moving blade, prevents its activity, connects more firmly.

Furthermore, the limiting part is in threaded connection with the first handle, and an inner hexagonal slot is formed in the other end of the limiting part. The arrangement of the inner hexagonal slot is convenient to be matched with an inner hexagonal wrench for use. The blade-replacing mechanism is characterized in that an installation through groove is formed in the second handle, the first handle is arranged in the installation through groove, the installation through groove enables the limiting part to be exposed to the outside so as to be convenient to disassemble and assemble the limiting part, the limiting part is convenient to screw and rotate in the mode, and the blade is more convenient to replace.

Furthermore, a fixed cutter part is arranged on the position of the second handle corresponding to the movable cutter blade, and a cutting groove convenient for the movable cutter blade to cut into is formed in the fixed cutter part; the fixed cutter part is provided with an arc-shaped positioning groove.

(III) advantageous effects

The cutting knife with the replaceable blade is provided with the quick-release structure, and through the matching of the insertion part, the slot and the limiting piece, when the movable blade needs to be replaced, the end part of the limiting piece is separated from the positioning groove only by screwing the limiting piece, and then the movable blade can be directly pulled out; during installation, the movable blade is inserted into the slot, and then the limiting piece is screwed to enable the end part of the limiting piece to extend into the positioning groove to complete installation; this structure can realize the quick assembly disassembly of blade, and the dismouting is simple and convenient, and labour saving and time saving has overcome the current inconvenient defect of shearing the blade and changing.

Drawings

FIG. 1 is a perspective view of a replaceable blade shear blade in accordance with the present invention;

FIG. 2 is a perspective view of a replaceable blade cutting blade of the present invention from another perspective;

FIG. 3 is an exploded view of a replaceable blade shear blade in accordance with the present invention;

FIG. 4 is a schematic view of the connection between the movable blade and the first handle of the replaceable blade type shearing blade of the present invention;

FIG. 5 is a schematic structural view of a replaceable blade type cutting blade according to the present invention;

FIG. 6 is a schematic view of a first handle of a replaceable blade cutting tool according to the present invention;

FIG. 7 is a perspective view of a second handle of a replaceable blade cutting tool according to the present invention;

the corresponding part names for the various reference numbers in the figures are: 1. a first handle; 2. a second handle; 3. a movable blade; 4. a limiting member; 5. hinging a shaft; 101. inserting slots; 102. a first protrusion; 103. a second card slot; 201. installing a through groove; 202. a cutter fixing part; 203. grooving; 204. an arc-shaped positioning groove; 301. a plug-in part; 302. positioning a groove; 303. a hinge slot; 304. a first card slot; 305. a second protrusion; 401. and an inner hexagonal slot.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

Referring to fig. 1 to 7, the present invention provides a blade-replaceable shearing blade, including a first handle 1 and a second handle 2 hinged to each other, and a movable blade 3 is mounted on the first handle 1 through a quick-release structure.

Referring to fig. 4 to 6, the quick release structure includes a slot 101 disposed at an end of the first handle 1, an insertion portion 301 engaged with the slot 101 is disposed at an end of the movable blade 3, and the insertion portion 301 can be inserted into the slot 101; be provided with constant head tank 302 on grafting portion 301, demountable installation has locating part 4 on the first handle 1, and the one end of locating part 4 stretches into in the constant head tank 302 and makes movable blade 3 and first handle 1 lock. This shears sword is provided with rapid disassembly structure, can realize the quick assembly disassembly of blade, and dismouting is simple and convenient, labour saving and time saving.

Referring to fig. 3 and 4, the first handle 1 and the second handle 2 are hinged by a hinge shaft 5, the hinge shaft 5 penetrates through the slot 101, a hinge groove 303 matched with the hinge shaft 5 is formed in the insertion part 301, and an opening is formed at one end of the hinge groove 303 to facilitate the entrance of the hinge shaft 5.

Referring to fig. 5 and 6, a first protrusion 102 is disposed on an inner wall of the slot 101, a first engaging groove 304 is disposed on the inserting portion 301 and is engaged with the first protrusion 102, and the first protrusion 102 is disposed in the first engaging groove 304. The movable blade 3 is provided with a second protrusion 305 at a position close to the first locking groove 304, the inner wall of the slot 101 is provided with a second locking groove 103 matched with the second protrusion 305, and the second protrusion 305 is arranged in the second locking groove 103. This structure can carry on spacingly to the moving blade, prevents its activity, connects more firmly.

Referring to fig. 4 and 6, the limiting member 4 is in threaded connection with the first handle 1, the first handle 1 is provided with a threaded hole, the threaded hole is connected with the slot 101, the other end of the limiting member 4 is provided with an inner hexagonal slot 401, and the inner hexagonal slot 401 can be matched with an external inner hexagonal wrench to facilitate screwing. Referring to fig. 2 and 7, an installation through groove 201 is formed in the second handle 2, the first handle 1 is disposed in the installation through groove 201, and the installation through groove 201 exposes the limiting member 4 to the outside to facilitate the dismounting and mounting of the limiting member 4.

Referring to fig. 1 and 3, the second handle 2 is provided with a fixed blade portion 202 at a position corresponding to the movable blade 3, the fixed blade portion 202 is provided with a cutting groove 203 for the movable blade 3 to cut into, the fixed blade portion 202 is provided with an arc-shaped positioning groove 204, and the arc-shaped positioning groove 204 is used for positioning an object to be cut.

The cutting knife with the replaceable blade provided by the embodiment is simple in structure and convenient to use; the quick-release structure is arranged, and through the matching of the insertion part, the slot and the limiting part, when the movable blade needs to be replaced, the end part of the limiting part is separated from the positioning groove only by screwing the limiting part, and then the movable blade can be directly pulled out; during installation, the movable blade is inserted into the slot, and then the limiting piece is screwed to enable the end part of the limiting piece to extend into the positioning groove to complete installation; this structure can realize the quick assembly disassembly of blade, and the dismouting is simple and convenient, labour saving and time saving.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. A replaceable blade cutting knife comprising a first handle (1) and a second handle (2) hinged to each other, characterized in that: the movable blade (3) is mounted on the first handle (1) through a quick release structure, the quick release structure comprises a slot (101) arranged at the end part of the first handle (1), and an insertion part (301) matched with the slot (101) is arranged at the end part of the movable blade (3); the inserting part (301) is provided with a positioning groove (302), the first handle (1) is detachably provided with a limiting part (4), and one end of the limiting part (4) extends into the positioning groove (302) to enable the movable blade (3) to be locked with the first handle (1).

2. The replaceable blade shear knife of claim 1, wherein: the first handle (1) is hinged to the second handle (2) through a hinge shaft (5), the hinge shaft (5) penetrates through the slot (101), a hinge groove (303) matched with the hinge shaft (5) is formed in the insertion part (301), and an opening is formed in one end of the hinge groove (303) to facilitate the hinge shaft (5) to enter.

3. The replaceable blade cutting tool of claim 1 wherein: the inner wall of the slot (101) is provided with a first protrusion (102), and the insertion part (301) is provided with a first clamping groove (304) matched with the first protrusion (102).

4. The replaceable blade shear knife of claim 3, wherein: the movable blade (3) is provided with a second protrusion (305) at a position close to the first clamping groove (304), and a second clamping groove (103) matched with the second protrusion (305) is arranged on the inner wall of the slot (101).

5. The replaceable blade shear knife of claim 1, wherein: the limiting part (4) is in threaded connection with the first handle (1), and an inner hexagonal socket (401) is arranged at the other end of the limiting part (4).

6. The replaceable blade shear knife of claim 1, wherein: an installation through groove (201) is formed in the second handle (2), the first handle (1) is arranged in the installation through groove (201), and the installation through groove (201) enables the limiting part (4) to be exposed to the outside so as to be convenient for dismounting the limiting part (4).

7. The replaceable blade shear knife of claim 1, wherein: the second handle (2) is provided with a fixed cutter part (202) at a position corresponding to the movable cutter blade (3), and a cutting groove (203) convenient for the movable cutter blade (3) to cut into is formed in the fixed cutter part (202).

8. The replaceable blade shear knife of claim 7, wherein: an arc-shaped positioning groove (204) is formed in the cutter fixing part (202).